from framework import tag_fixme_vpp_workers
from framework import VppTestCase, VppTestRunner
from vpp_neighbor import VppNeighbor, find_nbr
-from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, \
- VppIpTable, DpoProto, FibPathType, VppIpInterfaceAddress
+from vpp_ip_route import (
+ VppIpRoute,
+ VppRoutePath,
+ find_route,
+ VppIpTable,
+ DpoProto,
+ FibPathType,
+ VppIpInterfaceAddress,
+)
from vpp_papi import VppEnum
from vpp_ip import VppIpPuntRedirect
from scapy.packet import Raw
from scapy.layers.l2 import Ether, ARP, Dot1Q
from scapy.layers.inet import IP, UDP, TCP
-from scapy.layers.inet6 import IPv6, ipv6nh, ICMPv6ND_NS, ICMPv6ND_NA, \
- ICMPv6NDOptSrcLLAddr, ICMPv6NDOptDstLLAddr, ICMPv6EchoRequest, \
- ICMPv6EchoReply
+from scapy.layers.inet6 import (
+ IPv6,
+ ipv6nh,
+ ICMPv6ND_NS,
+ ICMPv6ND_NA,
+ ICMPv6NDOptSrcLLAddr,
+ ICMPv6NDOptDstLLAddr,
+ ICMPv6EchoRequest,
+ ICMPv6EchoReply,
+)
from scapy.utils6 import in6_ptop, in6_getnsma, in6_getnsmac, in6_ismaddr
class TestNDPROXY(VppTestCase):
- """ IP6 ND (mirror) Proxy Test Case """
+ """IP6 ND (mirror) Proxy Test Case"""
@classmethod
def setUpClass(self):
i.admin_down()
def test_nd_mirror_proxy(self):
- """ Interface (Mirror) Proxy ND """
+ """Interface (Mirror) Proxy ND"""
#
# When VPP has an interface whose address is also applied to a TAP
#
# Enable ND proxy on pg1
#
- self.vapi.ip6nd_proxy_enable_disable(sw_if_index=self.pg1.sw_if_index,
- is_enable=1)
+ self.vapi.ip6nd_proxy_enable_disable(
+ sw_if_index=self.pg1.sw_if_index, is_enable=1
+ )
#
# Send the ND request with an originating address that
# is VPP's own address
#
- nd_req_from_host = (Ether(src=self.pg1.remote_mac,
- dst=in6_getnsmac(nsma)) /
- IPv6(dst=d, src=self.pg0.local_ip6) /
- ICMPv6ND_NS(tgt=addr) /
- ICMPv6NDOptSrcLLAddr(lladdr=self.pg1.remote_mac))
+ nd_req_from_host = (
+ Ether(src=self.pg1.remote_mac, dst=in6_getnsmac(nsma))
+ / IPv6(dst=d, src=self.pg0.local_ip6)
+ / ICMPv6ND_NS(tgt=addr)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg1.remote_mac)
+ )
rx = self.send_and_expect(self.pg1, [nd_req_from_host], self.pg1)
self.assertEqual(rx[0][Ether].src, self.pg1.local_mac)
self.assertEqual(ipv6nh[rx[0][IPv6].nh], "ICMPv6")
self.assertEqual(rx[0][ICMPv6ND_NA].tgt, self.pg0.remote_ip6)
self.assertTrue(rx[0].haslayer(ICMPv6NDOptDstLLAddr))
- self.assertEqual(rx[0][ICMPv6NDOptDstLLAddr].lladdr,
- self.pg1.local_mac)
+ self.assertEqual(rx[0][ICMPv6NDOptDstLLAddr].lladdr, self.pg1.local_mac)
#
# Send the unicast ND request
#
- unicast_nd_req_from_host = (Ether(src=self.pg1.remote_mac,
- dst=self.pg1.local_mac) /
- IPv6(dst=self.pg0.remote_ip6,
- src=self.pg1.remote_ip6_ll) /
- ICMPv6ND_NS(tgt=self.pg0.remote_ip6) /
- ICMPv6NDOptSrcLLAddr(
- lladdr=self.pg1.remote_mac))
+ unicast_nd_req_from_host = (
+ Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ / IPv6(dst=self.pg0.remote_ip6, src=self.pg1.remote_ip6_ll)
+ / ICMPv6ND_NS(tgt=self.pg0.remote_ip6)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg1.remote_mac)
+ )
- rx = self.send_and_expect(self.pg1, [unicast_nd_req_from_host],
- self.pg0)
+ rx = self.send_and_expect(self.pg1, [unicast_nd_req_from_host], self.pg0)
self.assertEqual(rx[0][Ether].src, self.pg0.local_mac)
self.assertEqual(rx[0][Ether].dst, in6_getnsmac(nsma))
self.assertEqual(rx[0][IPv6].src, self.pg0.local_ip6)
self.assertEqual(ipv6nh[rx[0][IPv6].nh], "ICMPv6")
self.assertEqual(rx[0][ICMPv6ND_NS].tgt, self.pg0.remote_ip6)
self.assertTrue(rx[0].haslayer(ICMPv6NDOptSrcLLAddr))
- self.assertEqual(rx[0][ICMPv6NDOptSrcLLAddr].lladdr,
- self.pg0.local_mac)
+ self.assertEqual(rx[0][ICMPv6NDOptSrcLLAddr].lladdr, self.pg0.local_mac)
# Resolve the NDs on the uplink
self.pg0.resolve_ndp()
# Again send the unicast ND request, this time dst address should be
# in local cache
#
- rx = self.send_and_expect(self.pg1, [unicast_nd_req_from_host],
- self.pg1)
+ rx = self.send_and_expect(self.pg1, [unicast_nd_req_from_host], self.pg1)
self.assertEqual(rx[0][Ether].src, self.pg1.local_mac)
self.assertEqual(rx[0][Ether].dst, self.pg1.remote_mac)
self.assertEqual(rx[0][IPv6].src, self.pg0.remote_ip6)
- self.assertEqual(in6_ptop(rx[0][IPv6].dst),
- in6_ptop(self.pg1.remote_ip6_ll))
+ self.assertEqual(in6_ptop(rx[0][IPv6].dst), in6_ptop(self.pg1.remote_ip6_ll))
self.assertEqual(ipv6nh[rx[0][IPv6].nh], "ICMPv6")
self.assertEqual(rx[0][ICMPv6ND_NA].tgt, self.pg0.remote_ip6)
self.assertTrue(rx[0].haslayer(ICMPv6NDOptDstLLAddr))
- self.assertEqual(rx[0][ICMPv6NDOptDstLLAddr].lladdr,
- self.pg1.local_mac)
+ self.assertEqual(rx[0][ICMPv6NDOptDstLLAddr].lladdr, self.pg1.local_mac)
#
# Send the Echo Request from host to remote (of uplink)
#
id = self.pg1.sw_if_index
seq = 0x1
- echo_request = (Ether(dst=self.pg1.local_mac,
- src=self.pg1.remote_mac) /
- IPv6(dst=self.pg0.remote_ip6, src=self.pg0.local_ip6) /
- ICMPv6EchoRequest(seq=seq, id=id))
+ echo_request = (
+ Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
+ / IPv6(dst=self.pg0.remote_ip6, src=self.pg0.local_ip6)
+ / ICMPv6EchoRequest(seq=seq, id=id)
+ )
rx = self.send_and_expect(self.pg1, [echo_request], self.pg0)
self.assertEqual(rx[0][Ether].src, self.pg0.local_mac)
#
# setup a punt redirect so packets from the uplink go to the tap
#
- redirect = VppIpPuntRedirect(self, self.pg0.sw_if_index,
- self.pg1.sw_if_index, self.pg0.local_ip6)
+ redirect = VppIpPuntRedirect(
+ self, self.pg0.sw_if_index, self.pg1.sw_if_index, self.pg0.local_ip6
+ )
redirect.add_vpp_config()
- echo_reply = (Ether(dst=self.pg0.remote_mac, src=self.pg0.local_mac) /
- IPv6(dst=self.pg0.local_ip6, src=self.pg0.remote_ip6) /
- ICMPv6EchoReply(seq=1, id=id))
+ echo_reply = (
+ Ether(dst=self.pg0.remote_mac, src=self.pg0.local_mac)
+ / IPv6(dst=self.pg0.local_ip6, src=self.pg0.remote_ip6)
+ / ICMPv6EchoReply(seq=1, id=id)
+ )
rx = self.send_and_expect(self.pg0, [echo_reply], self.pg1)
self.assertEqual(rx[0][Ether].src, self.pg1.local_mac)
#
# cleanup
#
- self.vapi.ip6nd_proxy_enable_disable(sw_if_index=self.pg1.sw_if_index,
- is_enable=0)
+ self.vapi.ip6nd_proxy_enable_disable(
+ sw_if_index=self.pg1.sw_if_index, is_enable=0
+ )
redirect.remove_vpp_config()
-if __name__ == '__main__':
+
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff